A gaseous hydrocarbon collected over water at a temperature of 19.2°C and barometric pressure of 754.0 torr occupied a volume of 75.6 mL. The hydrocarbon in this volume weighs 0.1498 g. Calculate the molar mass of the hydrocarbon. The vapor pressure of water at 19.2 °C is 16.727 torr.

A gaseous hydrocarbon collected over water at a temperature of 19.2°C and barometric pressure of 754.0 torr occupied a volume of 75.6 mL. The hydrocarbon in this volume weighs 0.1498 g. Calculate the molar mass of the hydrocarbon. The vapor pressure of water at 19.2 °C is 16.727 torr.

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter8: Gases

Section: Chapter Questions

Problem 93E: At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A...

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

A gaseous hydrocarbon collected over water at a temperature of 19.2°C and
barometric pressure of 754.0 torr occupied a volume of 75.6 mL. The hydrocarbon in
this volume weighs 0.1498 g. Calculate the molar mass of the hydrocarbon. The
vapor pressure of water at 19.2 °C is 16.727 torr.

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